1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #pragma weak _pset_create = pset_create 30 #pragma weak _pset_destroy = pset_destroy 31 #pragma weak _pset_assign = pset_assign 32 #pragma weak _pset_info = pset_info 33 #pragma weak _pset_bind = pset_bind 34 #pragma weak _pset_getloadavg = pset_getloadavg 35 #pragma weak _pset_list = pset_list 36 #pragma weak _pset_setattr = pset_setattr 37 #pragma weak _pset_getattr = pset_getattr 38 39 #include "lint.h" 40 #include <sys/types.h> 41 #include <sys/procset.h> 42 #include <sys/processor.h> 43 #include <sys/pset.h> 44 #include <sys/param.h> 45 #include <sys/loadavg.h> 46 47 int _pset(int, ...); 48 49 /* subcode wrappers for _pset system call */ 50 51 int 52 pset_create(psetid_t *npset) 53 { 54 return (_pset(PSET_CREATE, npset)); 55 } 56 57 int 58 pset_destroy(psetid_t pset) 59 { 60 return (_pset(PSET_DESTROY, pset)); 61 } 62 63 int 64 pset_assign(psetid_t pset, processorid_t cpu, psetid_t *opset) 65 { 66 return (_pset(PSET_ASSIGN, pset, cpu, opset)); 67 } 68 69 int 70 pset_assign_forced(psetid_t pset, processorid_t cpu, psetid_t *opset) 71 { 72 return (_pset(PSET_ASSIGN_FORCED, pset, cpu, opset)); 73 } 74 75 int 76 pset_info(psetid_t pset, int *type, uint_t *numcpus, processorid_t *cpulist) 77 { 78 return (_pset(PSET_INFO, pset, type, numcpus, cpulist)); 79 } 80 81 int 82 pset_bind(psetid_t pset, idtype_t idtype, id_t id, psetid_t *opset) 83 { 84 return (_pset(PSET_BIND, pset, idtype, id, opset)); 85 } 86 87 /* 88 * Get the per-processor-set load average. 89 */ 90 int 91 pset_getloadavg(psetid_t pset, double loadavg[], int nelem) 92 { 93 int i, buf[LOADAVG_NSTATS]; 94 95 if (nelem > LOADAVG_NSTATS) 96 nelem = LOADAVG_NSTATS; 97 98 if (_pset(PSET_GETLOADAVG, pset, buf, nelem) == -1) 99 return (-1); 100 101 for (i = 0; i < nelem; i++) 102 loadavg[i] = (double)buf[i] / FSCALE; 103 104 return (nelem); 105 } 106 107 int 108 pset_list(psetid_t *psetlist, uint_t *numpsets) 109 { 110 return (_pset(PSET_LIST, psetlist, numpsets)); 111 } 112 113 int 114 pset_setattr(psetid_t pset, uint_t attr) 115 { 116 return (_pset(PSET_SETATTR, pset, attr)); 117 } 118 119 int 120 pset_getattr(psetid_t pset, uint_t *attr) 121 { 122 return (_pset(PSET_GETATTR, pset, attr)); 123 } 124